import axios from 'axios'
import { Message } from 'element-ui'
import { getToken } from '@/utils/auth'
import store from '@/store'
import { MessageBox } from 'element-ui'
import { getUserInfo } from '@/api/user.js'
import router from '@/router'

// create an axios instance
const service = axios.create({
  baseURL: 'http://localhost:8080/',
  // baseURL: 'http://111.229.91.66:8080/', // url = base url + request url
  headers: { 'Content-Type': 'application/json' },
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 10000, // request timeout
  withCredentials: true // 传递登录信息到后台

})

// request interceptor
service.interceptors.request.use(
  config => {
    const url = config.url
    console.log(url)
    // do something before request is sent
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = encodeURIComponent(getToken())
    }
    if (url !== '/login' && url !== '/logout' && url !== '/getUserInfo') {
      getUserInfo().then(res => {
        if (res.userId === 'guest') {
          MessageBox.alert('用户登录已过期，请重新登录', '提示', {
            confirmButtonText: '确定',
            callback: action => {
              store.dispatch('user/logout').then(() => {
                router.push('/login')
              })
            }
          })
          return null
        } else {
          return config
        }
      })
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // if the custom code is not 0000, it is judged as an error.
    /* eslint-disable */
    
    if (res.retCode === "9999") {
      Message({
        message: res.retMsg || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      // if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
      //   // to re-login
      //   MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
      //     confirmButtonText: 'Re-Login',
      //     cancelButtonText: 'Cancel',
      //     type: 'warning'
      //   }).then(() => {
      //     store.dispatch('user/resetToken').then(() => {
      //       location.reload()
      //     })
      //   })
      // }
      return Promise.reject(new Error(res.retMsg || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 3 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
